Influence of grain size on the mechanism of fracture of the aluminum alloy V95
Mechanical behavior and mechanisms of fracture of the ultrafine-crystalline (UFC) and the coarse-crystalline (CC) aluminum alloy V95 (Al-6.0 Zn-2.3 Mg-2.0 Cu-0.4 Mn (wt %)) manufactured via using severe plastic deformation, namely, by dynamic equal-channel angular pressing (DCAP), have been studied....
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| Veröffentlicht in: | Physics of metals and metallography 2012-07, Vol.113 (7), p.726-731 |
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| container_title | Physics of metals and metallography |
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| creator | Petrova, A. N. Brodova, I. G. Shirinkina, I. G. Lyapunova, E. A. Naimark, O. B. |
| description | Mechanical behavior and mechanisms of fracture of the ultrafine-crystalline (UFC) and the coarse-crystalline (CC) aluminum alloy V95 (Al-6.0 Zn-2.3 Mg-2.0 Cu-0.4 Mn (wt %)) manufactured via using severe plastic deformation, namely, by dynamic equal-channel angular pressing (DCAP), have been studied. It has been demonstrated that the UFC material exhibits improved mechanical properties in comparison with the CC analog. A correlation analysis of fracture surfaces and the determination of the Hurst exponent have made it possible to perform a comparative estimation of the uniformity of the fracture structure and of the fractions of ductile and brittle fractures in the samples with the structure-scale characteristics different in value. |
| doi_str_mv | 10.1134/S0031918X12070101 |
| format | Article |
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| subjects | Alloys Aluminum base alloys Brittle fracture Chemistry and Materials Science Comparative analysis Ductile brittle transition Equal channel angular pressing Fracture mechanics Magnesium Manganese Materials Science Mechanical properties Metallic Materials Metallography Plastic deformation Specialty metals industry Strength and Plasticity Zinc compounds |
| title | Influence of grain size on the mechanism of fracture of the aluminum alloy V95 |
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